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A hex key (also, hex wrench, Allen key and Allen wrench, Unbrako or Inbus) is a simple driver for bolts or screws that have heads with internal hexagonal recesses ().. Hex keys are formed from a single piece of hard hexagonal steel rod, having blunt ends that fit snugly into similarly shaped screw sockets.
Square keys are used for smaller shafts and rectangular faced keys are used for shaft diameters over 6.5 in (170 mm) or when the wall thickness of the mating hub is an issue. Set screws often accompany parallel keys to lock the mating parts into place. [3] The keyway is a longitudinal slot in both the shaft and mating part.
Husky is a line of hand tools, pneumatic tools, and tool storage products. Though founded in 1924, it is now best known as the house brand of The Home Depot, where it is exclusively sold. Its hand tools are manufactured for Home Depot by Western Forge, Apex Tool Group, and Iron Bridge Tools. [1] Its slogan is "The toughest name in tools."
Snap-on Industrial Brands, historically J.H. Williams Tool Group, is a division of American hand tool manufacturer Snap-on that makes and distributes tools to industrial markets. In addition to the Williams brand from which it originated, the group includes Bahco and CDI Torque Products. [1]
An adjustable spanner (UK and most other English-speaking countries), also called a shifting spanner (Australia and New Zealand) [1] or adjustable wrench (US and Canada), [a] is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener size, as with a conventional fixed spanner.
Set screws are not always the best way to resist the torque of driven shafts. To reduce the chance of slipping and to increase load capacity, a detent (often called a "flat") may be milled or ground at the part of the shaft where the set screw's point contacts. The detent, however, must be closely aligned with the threaded hole prior to fastening.
A 10 mm shank with two open grooves interacting with the driving wedges and two closed grooves held by locking balls. This is the most common size and takes a hammer up to 4 kg. The wedges grip an area of 75 mm 2 (0.116 sq in) and the shank is inserted 40 mm into the chuck. SDS-top
There is also a special P keyway designed to accept any of the seven sectional keys and a special L key blank (35-101 L) designed to be accepted into all seven keyways. OEM L section blanks are made of stainless steel. [20] The older type, the common residential keyway, is known as 35-100C, which is a five-pin, C section.